The all-new T4’19 chassis was redesigned to accommodate a new front chassis brace. The front brace can be easily installed on the chassis to eliminate side flex at the chassis front, thus improving steering response and making the car more predictable.
The 2.2mm thick chassis is CNC-machined from premium-grade graphite material. The chassis features pre-drilled holes for optional parts such as chassis weights, graphite motor guard, graphite adjustable battery holder.
The all-new chassis brace improves in-corner steering and makes the car more precise to drive. It is a great improvement especially at low- and medium-traction tracks where it significantly improves the handling of the car. Not recommended for use in high-traction conditions, as the extra steering may result in traction rolling.
With the all-new BPA (Body Position Adjustment) system, the entire bumper area was redesigned to feature all-new upper & lower composite bumpers. An all-new foam bumper was redesigned to work with the new adjustable eccentric body posts as well as with the standard centric body posts.
The newly-redesigned lower bumper has an updated shape with edges that prevent the bumper from touching the surface when the car is rolling.
XRAY is in collaboration with MonTech to create a specially-designed, popular touring car body. The body is factory pre-cut with perfectly trimmed edges and optimal body post holes to fit the new XRAY T4'19 and maximize the benefits of the new BPA - Body Position Adjustment. The trimmed edges and post hole positions are the same as the XRAY factory team has been using, and the exact same that Bruno Coelho used to win the World Championship.
All body post positions and trim lines were long-term tested by Alexander Hagberg, Bruno Coelho, Martin Hudy, Jan Ratheisky, and rest of the Team who have fine-tuned all three different body positions for different track conditions.
The pre-cut MonTech body is available exclusively from MonTech.
With the all-new unique BPA (Body Position Adjustment) system, the front body posts have an eccentric design that allows them to be positioned two different ways. The redesigned rear body posts feature graphite inserts to adjust their mounting positions on the rear shock tower.
Beefy 6mm thick body posts are made from special composite material that provides maximum strength but sufficient flex to reduce body post breakage in hard crashes or if the car flips over. The body supports are rounded to have a better fit and provide better support to the car body.
For ultimate tuning and adjustment, XRAY offers optional height adjustable body posts which allow independent front & rear body height adjustment by +1mm or +2mm.
With the all-new innovative and unique BPA (Body Position Adjustment), you can easily adjust the body position for all different surfaces, traction conditions, and different touring classes with a single body. Body position is very important for proper set-up to get maximum performance, traction, steering, and stability from the car. With the new BPA system, there are three different body positions available, and as such there is no more need for different bodies with different mounting positions.
All-new upper clamps feature integrated centering pins to easily mount the graphite shock tower in the proper position, and more importantly these will ensure that the shock tower will not move in a crash and the shocks will remain in position.
The upper clamps have been milled to remove unnecessary material to reduce their size and weight.
Made from premium Swiss 7075 T6 aluminum, orange anodized.
All-new ULP (Ultra-Low Profile) shock towers as well the SLP shock towers were redesigned to work with the new upper clamps with centering pins. The centering pins ensure perfect fitment of the shock towers in exactly the same position every time the shock towers are removed & assembled, helping to eliminate tweak or uneven spring pre-tension of the shocks.
Machined from premium-grade 3.0mm graphite, the shock towers are super lightweight and very compact.
The all-new motor mount and layshaft bulkheads were redesigned to use smaller bearings on the layshaft axle, which prevents the bearings from touching the top deck when shims are not used under the top deck. The smaller bearings result in improved flex characteristics for the car.
The all-new battery backstop prevents batteries from moving in a crash. In the front, the backstop is mounted on the servo mount; in the rear, the backstop is mounted on the layshaft bulkhead. Both backstops are adjustable depending on the position of the batteries in the car.
The rear graphite battery backstop can be replaced with an optional brass battery backstop #309855 which helps to keep the weight in the center of the car.
The all-new Swiss 7075 T6 aluminum steering plate was redesigned to significantly reduce play of the entire steering system, making the steering more responsive and precise. The bearings are now factory pressed into the steering plate which eliminates play in the assembly.
To make the T4 steering more responsive and precise, play in the entire steering system was significantly reduced using all-new bushings mounted between the bearings in the steering arm.
The dual-arm steering system is supported by six ball-bearings and runs on aluminum stands. Ackermann is easily adjusted by inserting shims between the steering plate and steering rods. The steering system has a low mounting position for the steering linkage, giving the car easier handling going into corners. More aggressive handling is easily accomplished by inserting shims between the steering blocks and steering rods.
With focus on the smallest details and craftsmanship, the T4 bulkheads were refinished with stylish chamfered edges on all Swiss 705 T6 aluminum bulkheads.
There are two types of the suspension holders, each specifically designed and chosen to provide the required characteristics – stability, traction, and flex:
• Front of the FRONT suspension – 1-piece.
• Rear of the FRONT suspension – 1-piece for stability, easy to drive in all conditions but especially under high-traction conditions. Optional 2-piece holders give increased in-corner steering, and are recommended for use on asphalt and low-traction track conditions.
• Front of the REAR suspension – 2-piece for maximum rear traction. Optional 1-piece provides increased rotation of the car in high-traction track conditions.
• Rear of the REAR suspension – 1-piece for more steering and better rotation. Recommended for high-grip conditions only, as it decreases rear traction. When using ARS™ suspension, the alu rear lower 1-piece suspension holder must be used with #302201 alu brace post for ARS™.
Designed in virtual reality using the world's most sophisticated CAD tools, and manufactured using the world's best machining and molding machinery, the T4 achieves a level of perfection in all details that is second to none.
The T4 is typical XRAY: ultimate professional, high-competition RC car for the most demanding racers, developed with attention to the finest detail, and backed by premium service & support…a luxury masterpiece.
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